Sleep Well To Avoid Common Cold
January 14th 2009 15:13
According to a study published on Monday in The Archives of Internal Medicine by Carnegie Mellon University, researchers led by Sheldon Cohen have reported that sleeping less can substantially increase the risk of catching cold.
For 14 days, the researchers monitored and recorded the sleep time of 153 healthy men and women ages 21 to 55. They also scored their sleep efficiency, the percentage of time in bed spent asleep. Then they dripped a solution containing a rhinovirus into their noses and monitored their health for five days. Almost all subjects became infected, and more than a third had cold symptoms.
The study reported that those who got less than 7 hours of sleep per night were 3 times as likely to have clinical symptoms as those who got 8 or more. Those with a sleep efficiency score of 85 percent or less were more than five times as likely to be infected as those with higher efficiency.
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For 14 days, the researchers monitored and recorded the sleep time of 153 healthy men and women ages 21 to 55. They also scored their sleep efficiency, the percentage of time in bed spent asleep. Then they dripped a solution containing a rhinovirus into their noses and monitored their health for five days. Almost all subjects became infected, and more than a third had cold symptoms.
The study reported that those who got less than 7 hours of sleep per night were 3 times as likely to have clinical symptoms as those who got 8 or more. Those with a sleep efficiency score of 85 percent or less were more than five times as likely to be infected as those with higher efficiency.
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